ingdom Animalia, phylum Arthropoda, class Insecta, and order Lepidoptera. Generally, the order Lepidoptera is broken down into two sub-orders: Heterocera (the “varied-antennaed” moths) and the “club-antennaed” Rhopalocera, the sub-order to which the butterflies belong. The Rhopalocera sub-order includes 3 superfamilies: The true butterfly superfamily contains 5 families of butterflies: Papilionidae, Pieridae, Lycaenidae, Riodinidae, and Nymphalidae.